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8068819 = 114715607
BaseRepresentation
bin11110110001111011010011
3120011221100011
4132301323103
54031200234
6444535351
7125404153
oct36617323
916157304
108068819
114611250
122851557
131896865
141100763
15a95b64
hex7b1ed3

8068819 has 8 divisors (see below), whose sum is σ = 8990208. Its totient is φ = 7178760.

The previous prime is 8068817. The next prime is 8068831. The reversal of 8068819 is 9188608.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8068819 - 21 = 8068817 is a prime.

It is a super-2 number, since 2×80688192 = 130211680109522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8068817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7287 + ... + 8320.

It is an arithmetic number, because the mean of its divisors is an integer number (1123776).

Almost surely, 28068819 is an apocalyptic number.

8068819 is a deficient number, since it is larger than the sum of its proper divisors (921389).

8068819 is a wasteful number, since it uses less digits than its factorization.

8068819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15665.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 8068819 is about 2840.5666688180. The cubic root of 8068819 is about 200.5718550175.

The spelling of 8068819 in words is "eight million, sixty-eight thousand, eight hundred nineteen".

Divisors: 1 11 47 517 15607 171677 733529 8068819